package com.foreknow.filter;

import javax.servlet.*;
import java.io.IOException;

public class CharacterEncodingFilter implements Filter {
    private String encoding="ISO885-1";
    private FilterConfig config;

    @Override
    public void init(FilterConfig config) throws ServletException {
        this.config=config;
        encoding=config.getInitParameter("encoding");

        System.out.println(encoding);
    }

    @Override
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
    response.setContentType("text/html;charset=utf-8");
    request.setCharacterEncoding(encoding);
    chain.doFilter(request,response);
    }

    @Override
    public void destroy() {
    config=null;
    }
}
